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Basket Math Interactive
Explore more than twenty math concepts such a perimeter, rounding, exponents, decimals, sign numbers, and more using this interactive basketball game. A Spanish version is also offered. Students results are tabulated daily.
Illustrative Mathematics
Illustrative Mathematics: Using Operations and Parentheses
The purpose of this task is to give students a chance to work creatively with three of the four fundamental arithmetic operations (addition, subtraction, and multiplication). It is well suited for helping students develop fluency with...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Decimals
This website from The Math Page explains and defines decimals.
Scholastic
Scholastic Math Maven's Mysteries: The Mystery of Pirate Ringold's Lost Treasure
In this Math Maven mystery, read the legend of Pirate Ringold and his treasure and help Frieda Finditall figure out how much gold there is left to find on this old ship. Your knowledge about addition and subtraction with fractions will...
AAA Math
Aaa Math: Place Value Expanded Form
You'll find an explanation of place value in expanded form in this lesson. There is also an interesting game that helps to show place value.
AAA Math
Aaa Math: Rounding to the Nearest Hundredth
This site explains how to round decimals to the nearest hundredth. This site provides games to practice this skill.
Khan Academy
Khan Academy: Compare Decimals Challenge
Practice decimal comparison problems that stretch your place value understanding. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Order Decimals
Order 3 decimals with digits up to the thousandths from least to greatest. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: Words to Expressions 1
This problem allows students to see words that can describe the expression from part (c) of "5.OA Watch out for Parentheses." Additionally, the words (add, sum) and (product, multiply) are all strategically used so that the student can...